.tab_left{
    width: 100%;
    height: 100%;
    .tab-container{
    width: 100%;
    height: 100%;
    border-right: 1px solid #ccc;
    position: absolute;
    z-index: 9999999;
    background-color: white;
    .kefu{
       padding-top: 30px;
        dl:hover{
            color: orange;
           border: none;
        }
    }
    dl{
        margin-top: 20px;
        text-align: center;
        width: 100%;
        height: 70px;
        line-height: 30px;
        
        border-left: 3px solid white;
         &.active {
           color: orange;
            border-left: 3px solid orange;
        }
        dt{
            span{
                font-size: 20px;
            }
        }
        
    }
    dl:hover{
        border-left: 3px solid orange;
    }

}

.drawer {
    margin-left: 86px;
  position: absolute;
  z-index: 0;
  top: 0px;
  left: -300px; /* 设置抽屉初始位置 */
  width: 300px;
  height: 100%;
  transition: left 0.3s ease;
  background-color: white;
}
.drawer.open {
  left: 0; /* 抽屉打开时的位置 */
 
}
 .anniu{
    width: 20px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    background-color: orange;
    color: white;
    border-radius: 0px 20px 20px 0px;
    position: absolute;
    left: 300px;
    top: 400px;
    font-weight: bolder;
}

}
